Predicted to enable methylated histone binding activity. Acts upstream of or within meiotic chromosome separation. Located in germinal vesicle and kinetochore. Part of condensin complex. Human ortholog(s) of this gene implicated in primary autosomal recessive microcephaly. Orthologous to human NCAPD3 (non-SMC condensin II complex subunit D3). [provided by Alliance of Genome Resources, Apr 2022]